/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
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**
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** modification, are permitted provided that the following conditions are
** met:
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**     notice, this list of conditions and the following disclaimer.
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**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
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****************************************************************************/

#ifndef PATHWIDGET_H
#define PATHWIDGET_H

#include <QWidget>
#include <QImage>
#include "qclcontext.h"

class ImageWidget : public QWidget
{
    Q_OBJECT
public:
    ImageWidget(QWidget *parent = 0);
    ~ImageWidget();

protected:
    void paintEvent(QPaintEvent *);

private:
    QCLContext context;

    QCLProgram program;
    QCLKernel fillRectWithColor;
    QCLKernel drawImageKernel;

    QCLImage2D flower;
    QCLImage2D bg1;
    QCLImage2D beavis;
    QCLImage2D qtlogo;

    QSize windowSize;
    QCLImage2D surfaceImage;

    void fillRect(int x, int y, int width, int height, const QColor& color);
    void drawImage(const QCLImage2D& image, int x, int y, float opacity);
    void drawScaledImage
        (const QCLImage2D& image, int x, int y, int width, int height,
         float opacity);
};

#endif
